drm/imagination: clamp freelist reconstruction requests

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-98566
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-18 16:17:08 UTC
Updated2026-10-19 10:19:14 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/imagination: clamp freelist reconstruction requests The firmware reconstruction count controls accesses to the request's fixed freelist ID array and the copy into the fixed response array. Neither access currently bounds the count to those protocol arrays. Clamp the count to the request capacity, which is shared by the response layout, and use that count consistently for reconstruction and response publication. Keep the firmware recovery exchange instead of dropping an oversized request without a response, as discussed with the firmware maintainer. The issue was found by our static-analysis tool.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 6eedddab733b350886571f98b810108b13bf74ae b78f8f5532a077baa4aabccf657a4fb3b164659e git Not specified
CNA Linux Linux affected 6eedddab733b350886571f98b810108b13bf74ae e0560db0ea6e10c283ebe7c259a7af8d3b6e61a6 git Not specified
CNA Linux Linux affected 6eedddab733b350886571f98b810108b13bf74ae eabd0ae3611769c826dbc118a1e240628731b348 git Not specified
CNA Linux Linux affected 6eedddab733b350886571f98b810108b13bf74ae 45585c3aa285854face65293acc95eff73063d6d git Not specified
CNA Linux Linux affected 6.8 Not specified
CNA Linux Linux unaffected 6.8 semver Not specified
CNA Linux Linux unaffected 6.12.112 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.55 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.9 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/eabd0ae3611769c826dbc118a1e240628731b348 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b78f8f5532a077baa4aabccf657a4fb3b164659e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/45585c3aa285854face65293acc95eff73063d6d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e0560db0ea6e10c283ebe7c259a7af8d3b6e61a6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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